11544372451 has 8 divisors (see below), whose sum is σ = 12050438400. Its totient is φ = 11038651272.

The previous prime is 11544372407. The next prime is 11544372457. The reversal of 11544372451 is 15427344511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11544372451 - 2¹⁵ = 11544339683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11544372451.

It is not an unprimeable number, because it can be changed into a prime (11544372457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16551 + ... + 152848.

It is an arithmetic number, because the mean of its divisors is an integer number (1506304800).

Almost surely, 2^11544372451 is an apocalyptic number.

11544372451 is a deficient number, since it is larger than the sum of its proper divisors (506065949).

11544372451 is a wasteful number, since it uses less digits than its factorization.

11544372451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172385.

The product of its digits is 67200, while the sum is 37.

The spelling of 11544372451 in words is "eleven billion, five hundred forty-four million, three hundred seventy-two thousand, four hundred fifty-one".